System of pipes, baths and toilets in buildings. To connect pipes, baths, toilets to a water source.

separate or disconnected. To separate something from something larger.

Coating capable of making a surface waterproof. make impervious to water.

thing that bears weight of something or keeps it upright. To give assistance or advice to someone.

having assets in excess of liabilities. Substance used to dissolve or melt others.

A group of machine parts forming a tool or machine.

Turning in a curving direction e.g. road or path. To wind something around something else.

separated in relationship by number of steps of descent. To make someone leave his or her job or position.

having function of joining things securely. establishment of relationship or link with someone. To become joined or connected, e.g. using glue.

Specific area or region within a larger place. To divide something into smaller parts.

To become friends with another person.

action of installing.

smallest or lowest. least or smallest amount or quantity possible or required.

part or element of larger whole. Parts that some things are made up of.

planned enterprise. Planned pieces of work for specific purpose. To show something on a screen using light.